Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks. Modern industry pollutes, and it also seem to cause significant changes to the climate. What is needed is an industry that (41) _____ the benefits without the costs. And the glimmerings of such an industry can now be (42) ______. That industry is based on biotechnology. At the moment, biotech‟s main uses are in medicine and agriculture. However, its biggest long term impact maybe industrial. ...

Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks.

Modern industry pollutes, and it also seem to cause significant changes to the climate. What is needed is an industry that (41) _____ the benefits without the costs. And the glimmerings of such an industry can now be (42) ______.

That industry is based on biotechnology. At the moment, biotech‟s main uses are in medicine and agriculture. However, its biggest long term impact maybe industrial. Biotechnology will (43) _____ demand for oil by taking the cheapest raw materials imaginable, carbon dioxide and water, and using them to make fuel and plastics.

Plastics and fuels made in this way would have several advantages. They can be called “renewable”,(44)_____ nothing is depleted to make them. They would be part of the natural carbon cycle, borrowing that element from the atmosphere for a few months, and returning it when they were burned or (45) _____. That means they could not possibly contribute to global warming. They would also be environmentally friendly in other ways.